I own a Toledo 999 machine and I cut about 20 to 30 threads a week. Lately, I've been having a lot of difficulty getting good threads on both my 3/4 and 1 inch pipes. I've read on the net that the problem has a lot to do with the junk steel the pipe is made from but I find it interesting that my pipe supplier can cut threads without problems. When I called them about this they said to switch my dies out and use the ones that are made for stainless steel. Has anyone else heard that you have to use stainless dies on regular black pipe? Curtis-Toledo doesn't sell any dies for the 999 machine anymore so I'm looking for a way to adapt a standard Ridgid 535 adjustable die head to my 999 machine. Any suggestions?? Thanks,
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Stainless Steel pipe theading dies?